Empty shelves of toilet roll and tissue inside a supermarket, as the number of coronavirus cases grow around the world, in London, Britain, March 15, 2020.

People, some wearing protective face masks, walk over London Bridge, as the number of coronavirus cases worldwide continues to grow, in London, Britain, March 16, 2020.

People wearing protective face masks stand next to empty shelves in a supermarket, as the number of worldwide coronavirus cases continues to grow, in London, Britain, March 15, 2020.

People walk through a sparsely populated Tate Modern as the number of coronavirus cases (COVID-19) grows around the world in London, Britain March 16, 2020.

Players sing songs in the changing room after their game of park football at Hackney Marshes in London, Britain, March 15, 2020.

A man wears a mask while sitting on a bus, as the number of coronavirus cases grow around the world, in central London, Britain March 14, 2020.

A woman wears a mask as she walks past a poster, as the number of coronavirus cases grow around the world, in central London, Britain March 14, 2020.

Empty shelves are seen at a supermarket amid concerns over the coronavirus (COVID-19) spread in Hertford, Britain, March 15, 2020.

British nationals from the cruise ship Grand Princess are pictured on a bus after disembarking from a plane at Birmingham Airport, as the number of coronavirus cases grow around the world, in Birmingham, Britain March 11, 2020.

A man stands next to shelves empty of fresh meat in a supermarket, as the number of worldwide coronavirus cases continues to grow, in London, Britain, March 15, 2020. Image for illustrative purposes.

People, some wearing protective face masks, walk over London Bridge, as the number of coronavirus cases worldwide continues to grow, in London, Britain, March 16, 2020.

A medical worker carries out a test at a Coronavirus drive-through test centre at Parson's Green Medical Centre in London, Britain, March 5, 2020.

A man in a protective suit cleans a hand rail as the number of coronavirus cases (COVID-19) grows around the world, in London, Britain, March 16, 2020.

Soccer Football - FA Women's National League North - Sunderland v Stoke City - Eppleton Colliery Welfare Ground, Sunderland, Britain - March 15, 2020 General view of a padlock as the players walk back to the dressing room after the match went ahead despite the number of coronavirus cases growing around the world.

Commuters are seen as on a bus on Whitehall as the number of coronavirus cases (COVID-19) grows around the world, in London, Britain, March 16, 2020.

Empty pitches are seen on Hackney Marshes in London, Britain, March 15, 2020.

Restaurant seats stand empty in Covent Garden in London, Britain March 13, 2020.

Soccer Football - National League South - Dulwich Hamlet v Hemel Hempstead - Champion Hill, London, Britain - March 14, 2020 Dulwich Hamlet fans celebrate a goal as the game goes ahead despite many football matches in the UK suspended due to the number of coronavirus cases growing around the world REUTERS/Simon Dawson

A man wearing a protective mask travels on the underground tube in the midst of a coronavirus disease (COVID-19) outbreak in London, Britain, March 13, 2020. REUTERS/Gabrielle Fonseca Johnson

A man wearing a protective face mask walks through central London, Britain, March 4, 2020.

A person on a bus is seen wearing a protective face mask, as the number of coronavirus cases worldwide continues to grow, in London, Britain, March 16, 2020.

People travel on a boat on the River Thames, as the number of coronavirus cases grow around the world, in London, Britain March 16, 2020.

A woman wearing a protective face mask walks out of an underground tube station in the City of London financial district, whilst British stocks tumble as investors fear that the coronavirus outbreak could stall the global economy, London, Britain, March 9, 2020. Image used for illustrative purpose.